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* [PATCH v2 1/2] arm64: dts: mediatek: mt8183: add pwm node
@ 2020-12-09 12:03 Fabien Parent
  2020-12-09 12:03 ` [PATCH v2 2/2] arm64: dts: mediatek: mt8183-evb: add PWM support Fabien Parent
  0 siblings, 1 reply; 2+ messages in thread
From: Fabien Parent @ 2020-12-09 12:03 UTC (permalink / raw)
  To: Rob Herring, Matthias Brugger
  Cc: Fabien Parent, devicetree, linux-arm-kernel, linux-mediatek,
	linux-kernel

MT8183 SoC has 4 PWMs. Add the pwm node in order to support them.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---

V2: rename pwm0 to pwm1 since disp-pwm has been merged in v5.11 as pwm0

 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 5b782a4769e7..a0004bd9f9c2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -667,6 +667,20 @@ pwm0: pwm@1100e000 {
 			clock-names = "main", "mm";
 		};
 
+		pwm1: pwm@11006000 {
+			compatible = "mediatek,mt8183-pwm";
+			reg = <0 0x11006000 0 0x1000>;
+			#pwm-cells = <2>;
+			clocks = <&infracfg CLK_INFRA_PWM>,
+				 <&infracfg CLK_INFRA_PWM_HCLK>,
+				 <&infracfg CLK_INFRA_PWM1>,
+				 <&infracfg CLK_INFRA_PWM2>,
+				 <&infracfg CLK_INFRA_PWM3>,
+				 <&infracfg CLK_INFRA_PWM4>;
+			clock-names = "top", "main", "pwm1", "pwm2", "pwm3",
+				      "pwm4";
+		};
+
 		i2c3: i2c@1100f000 {
 			compatible = "mediatek,mt8183-i2c";
 			reg = <0 0x1100f000 0 0x1000>,
-- 
2.29.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH v2 2/2] arm64: dts: mediatek: mt8183-evb: add PWM support
  2020-12-09 12:03 [PATCH v2 1/2] arm64: dts: mediatek: mt8183: add pwm node Fabien Parent
@ 2020-12-09 12:03 ` Fabien Parent
  0 siblings, 0 replies; 2+ messages in thread
From: Fabien Parent @ 2020-12-09 12:03 UTC (permalink / raw)
  To: Rob Herring, Matthias Brugger
  Cc: Fabien Parent, devicetree, linux-arm-kernel, linux-mediatek,
	linux-kernel

Enable the pwm driver and set the pinctrl for PWM A line.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---

V2:
	* rename pwm0 to pwm1 since disp-pwm has been merged in v5.11 as pwm0
	* rename the pio node and labels to match the coding standard of this dts

 arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index cba2d8933e79..3249c959f76f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -344,6 +344,12 @@ pins_spi{
 			bias-disable;
 		};
 	};
+
+	pwm_pins_1: pwm1 {
+		pins_pwm {
+			pinmux = <PINMUX_GPIO90__FUNC_PWM_A>;
+		};
+	};
 };
 
 &spi0 {
@@ -392,3 +398,9 @@ &spi5 {
 &uart0 {
 	status = "okay";
 };
+
+&pwm1 {
+	status = "okay";
+	pinctrl-0 = <&pwm_pins_1>;
+	pinctrl-names = "default";
+};
-- 
2.29.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-12-09 12:04 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2020-12-09 12:03 [PATCH v2 1/2] arm64: dts: mediatek: mt8183: add pwm node Fabien Parent
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